Diisobutylene Dideu

**Product Name: Diisobutylene**
**CAS No.: 25167-70-8**
**Molecular Formula: C₈H₁₆**
**Molecular Weight: 112.21 g/mol**
**Purity: ≥90%–95% (GC), customizable**
**Appearance: Colorless to pale yellow transparent liquid with mild petroleum-like odor**

**Product Overview**

Diisobutylene is a high-value C8 olefin mixture primarily composed of 2,4,4-trimethyl-1-pentene (alpha isomer) and 2,4,4-trimethyl-2-pentene (beta isomer) isomers. This versatile petrochemical intermediate features excellent reactivity, low viscosity, and superior solvency properties, making it indispensable for synthesizing high-performance specialty chemicals across multiple industrial sectors. Its branched molecular structure with tertiary carbon centers provides unique chemical behavior compared to linear olefins, enabling efficient alkylation, hydrogenation, and functionalization reactions for producing value-added derivatives with enhanced thermal stability and performance characteristics.

**Main Applications**

**Fuel Additives & Petrochemicals**
Critical feedstock for producing high-octane gasoline components through alkylation processes. Hydrogenation of diisobutylene yields isooctane (2,2,4-trimethylpentane), a premium blending component that significantly improves fuel anti-knock properties and combustion efficiency in modern engines.

**Synthetic Rubber & Tire Manufacturing**
Essential raw material for producing polyisobutylene-based tackifiers (POP) used in synthetic rubber formulations for tire manufacturing. The compound enhances green strength and processing characteristics of rubber compounds, improving adhesion between tire components during curing and extending product service life.

**Phenolic & Epoxy Resin Modification**
Key intermediate for synthesizing alkylphenols (particularly p-octylphenol) used as modifiers in phenolic resins and epoxy systems. [[25]] These modified resins exhibit improved flexibility, impact resistance, and thermal stability for applications in adhesives, coatings, and composite materials.

**Surfactants & Detergent Intermediates**
Primary building block for producing isononyl alcohol and branched alkylbenzene sulfonates used in high-performance surfactants, industrial cleaners, and emulsifiers. The branched structure provides superior detergency and biodegradability profiles compared to linear alternatives.

**Printing Inks & Coatings**
Valuable solvent component in printing ink formulations, particularly for flexographic and gravure applications. Its controlled evaporation rate and excellent resin solubility contribute to optimal print quality, color development, and substrate adhesion in high-speed printing operations.

**Lubricant Additives & UV Stabilizers**
Critical intermediate for synthesizing high-performance lubricant additives including ashless dispersants and anti-wear agents. Also serves as precursor for hindered amine light stabilizers (HALS) and other UV protection additives essential for polymer durability in outdoor applications.

**Plastic Additives**
Used in manufacturing PVC stabilizers, plasticizers, and antioxidant systems that enhance thermal stability and processing characteristics of polyolefins and engineering plastics during extrusion and molding operations.

**Product Features**

- **High Isomer Purity**: ≥90%–95% GC purity with controlled alpha/beta isomer ratio for consistent reaction performance
- **Excellent Reactivity**: Branched structure enables efficient alkylation, hydrogenation, and functionalization under mild conditions
- **Low Viscosity**: Facilitates easy handling, pumping, and integration into continuous production processes
- **Superior Solvency Power**: Effective solvent for resins, oils, and polymers with balanced evaporation characteristics
- **Batch-to-Batch Consistency**: Rigorous quality control with comprehensive analytical documentation (GC, FTIR, refractive index)
- **Low Sulfur Content**: <10 ppm sulfur ensures compatibility with catalyst systems and minimizes corrosion in processing equipment

**Packaging & Storage**

**Packaging Options**: 180 kg steel drums, 1000 kg IBC totes, ISO tank containers (20-24 MT), or customized bulk shipments
**Storage Conditions**: Store in cool, dry, well-ventilated area below 30°C; keep containers tightly sealed away from heat sources, sparks, and oxidizing agents
**Shelf Life**: 12 months when stored under recommended conditions
**Transport**: Hazardous material shipment compliant with IATA/IMDG Class 3 (Flammable Liquid) regulations; flash point approximately -12°C (10°F)

**Why Choose Us**

- **Integrated Petrochemical Production**: Direct supply from refinery-integrated facilities ensuring consistent quality and competitive pricing
- **Advanced Analytical Capabilities**: In-house laboratory with GC-MS, FTIR, and physical property testing for complete product characterization